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<html lang="en">
<head>
  <meta charset="UTF-8">
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  <title>Document</title>
</head>
<body>
    <script>
      // 原数据['张三','李四','王五','孙六'] => ['孙六','王五','李四','张三']
      let arr=['张三','李四','王五','孙六']
      // let Arry=[]
      // arr.forEach(item=>{
      //   Arry.unshift(item)
      // })
      // console.log(Arry);
      // 翻转数组
      console.log(arr.reverse());
    </script>
</body>
</html>